Observation of nonlinear self-trapping in triangular photonic lattices.
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We experimentally study light self-trapping in triangular photonic lattices induced optically in nonlinear photorefractive crystals. We observe the formation of two-dimensional discrete and gap spatial solitons originating from the first and second bands of the linear transmission spectrum.
author list (cited authors)
Rosberg, C. R., Neshev, D. N., Sukhorukov, A. A., Krolikowski, W., & Kivshar, Y. S.